Radiator-draining device for motor vehicles



17, 1931. D, CARTER 1,793,358

RADIATOR DHAINING DEVICE FOR MOTOR VEHICLES Filed June 11 1929 W l rzuenzor: /a% 274/ pitted Fee 17, 193i I a l 1,793,358

UNITED sT ATEs PATE ICQE;

nrox CARTER, or comaano; rnxns v BAIDIATOR-DRAINING DEVICE FOR MOTOR, VEHICLES Application filed June 11 1929. Serial No. 869,989. I

I This invention relates to a device for drainapertureof the valve 9,'is clamped firmly to ing the circulating water from the radiators said valve by nuts 11, and 12, which are reof motor vehicles. spectively applied to the bottom and top .por-

The invention comprises, as an important tion of'tlie valve, and a spiral spring'14 is 5 feature, a simple device which is attached to confined between the top of the'valve 2, and the radiator and in communication with its a screw cap 16.which is herein shown as water circulating system, and at a low point threaded to the exterior enlarged end porof the radiator, with controlling means extion of the valve casing, 2. a A rod, wire, or

tending therefrom tothe instrument board of other suitable flexible connection 18, is con- 10 thecar or other convenient position for op: nected at one end with the valve stem 10 and to t Ieration In the use of the device it is merely passes thence rearwardly and upwardly finalnecessary forthe operator to exert a pull ly emerging throughan opening on the yin- 7 upon a handle, or other manipulating means, strument board 19, an end of the connection so that the radiator maybe drained-of its cir- 18 being herein shown assupplied with a l fculating water by the operator ofthe motor. short chain 20 to serve as an operating handle 65 vehicle without necessitating his leaving his or means which is readily accessible to a per- 2 seat. son sitting within the car.

Other features of the invention such as im In the operation of the device, when it is 'portant structural details and combinations i desired to drain'the'radiator, as for'exam- 2 f parts will be m re fully described herein- 'ple in cold weather to prevent freezing, in-

after and the novel elements will be pointed stead of the old way of reaching down be- 7 out in the appended claim. j neath the radiator, or through the mechanism 7 Referring to the accompanying drawings in the front of the car, which necessitates the P which show a preferred embodiment of the driver leaving his seat, with this device it invention, is is merely necessary to pull upon the chain 20, 7 Fig. 1 illustrates the device applied to a or other operating device, whereupon" themotor vehicle, the latter being'shown in dot- V va1ve9 willibe unseated and the water conted lines; Fig. 2 is a detail view showing the tained withinthe radiator will drain out p vparts'of the device in side elevation; Fig. 3 through the nipple 7 and discharge opening is a view in vertical section, somewhat en- 21 of the valve casing. By thisdevice'it will 35 i i r v larged, of the radiator drain valve; Fig; 4 is accordingly be seen'that the necessity for soilan elevation thereof, looking to 'theleft of ing the'hands or garments by resorting to v Fig. 8; and Fig; 5 isa transverse section 011 the old practice of reaching down below the line-55, Fig. 3. Y

the radiator or beneath the same and fre r The device as herein shown comprises 'a quently having to use a wrench to unseat the fvalve casing 2, of truncated conical form, radiator. drain valve,is obviated"; 4

having a threaded aperture 3 in one side Changesmay be made inthedetails of conthereof to receive a nipple 5, having at one struction or the arrangement of parts shown end threads to engage the aperture 3 in the without departing from'the spir t of the invalve casing andfat its opposite end provention, provided'suchchanges are within-F: 'vided withthreads 7 which are screwed into a the scope of the follo-wingclaini.

threaded aperture at a low point in the ra- I claim: 1

1 diator R, so as to be in free communication In a radiator drain valve, the combination; with the contents of said radiator. with a COIllCZLl valve casing provided at its V A valve 9, which may be of rubber, or any smaller end with afreedischarge opening, an

suitable material which is fitted to and will inlet port to said-casing, a n ppl in threadf accurately seat withi-nthe conical bore of the ed engagement with said inlet Qport, and

valve casing 2, is located within said casing. adapted for connection to "the low point of a A valve stem 10, provided exteriorly with "a a radiator, an elastic conical plug. valve lit-f screw thread and extending through a central ting said casing, astem passing through sa d I v 2 I r 1,793,358

valve and clamped thereto, the outer end of said stem extending through an aperture in a cap threaded to the casing, a spiral spring confined between said cap and valve, and a flexible connection comprising a Wire and chain, having connection with said stem and arranged to extend through the instrument board for operation to drain the radiator.

In testimony whereof I have hereunto set my hand this 6th day of June A. D. 1929. DICK QARTER. 

